418 lines
13 KiB
C++
418 lines
13 KiB
C++
/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2000, 2010 Oracle and/or its affiliates.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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// MARKER(update_precomp.py): autogen include statement, do not remove
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#include "precompiled_chart2.hxx"
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#include "XMLRangeHelper.hxx"
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#include <unotools/charclass.hxx>
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#include <rtl/ustrbuf.hxx>
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#include <algorithm>
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#include <functional>
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using ::rtl::OUString;
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using ::rtl::OUStringBuffer;
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// ================================================================================
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namespace
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{
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/** unary function that escapes backslashes and single quotes in a sal_Unicode
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array (which you can get from an OUString with getStr()) and puts the result
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into the OUStringBuffer given in the CTOR
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*/
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class lcl_Escape : public ::std::unary_function< sal_Unicode, void >
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{
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public:
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lcl_Escape( ::rtl::OUStringBuffer & aResultBuffer ) : m_aResultBuffer( aResultBuffer ) {}
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void operator() ( sal_Unicode aChar )
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{
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static const sal_Unicode m_aQuote( '\'' );
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static const sal_Unicode m_aBackslash( '\\' );
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if( aChar == m_aQuote ||
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aChar == m_aBackslash )
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m_aResultBuffer.append( m_aBackslash );
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m_aResultBuffer.append( aChar );
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}
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private:
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::rtl::OUStringBuffer & m_aResultBuffer;
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};
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// ----------------------------------------
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/** unary function that removes backslash escapes in a sal_Unicode array (which
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you can get from an OUString with getStr()) and puts the result into the
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OUStringBuffer given in the CTOR
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*/
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class lcl_UnEscape : public ::std::unary_function< sal_Unicode, void >
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{
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public:
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lcl_UnEscape( ::rtl::OUStringBuffer & aResultBuffer ) : m_aResultBuffer( aResultBuffer ) {}
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void operator() ( sal_Unicode aChar )
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{
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static const sal_Unicode m_aBackslash( '\\' );
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if( aChar != m_aBackslash )
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m_aResultBuffer.append( aChar );
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}
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private:
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::rtl::OUStringBuffer & m_aResultBuffer;
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};
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// ----------------------------------------
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OUStringBuffer lcl_getXMLStringForCell( const ::chart::XMLRangeHelper::Cell & rCell )
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{
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::rtl::OUStringBuffer aBuffer;
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if( rCell.empty())
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return aBuffer;
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sal_Int32 nCol = rCell.nColumn;
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aBuffer.append( (sal_Unicode)'.' );
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if( ! rCell.bRelativeColumn )
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aBuffer.append( (sal_Unicode)'$' );
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// get A, B, C, ..., AA, AB, ... representation of column number
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if( nCol < 26 )
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aBuffer.append( (sal_Unicode)('A' + nCol) );
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else if( nCol < 702 )
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{
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aBuffer.append( (sal_Unicode)('A' + nCol / 26 - 1 ));
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aBuffer.append( (sal_Unicode)('A' + nCol % 26) );
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}
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else // works for nCol <= 18,278
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{
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aBuffer.append( (sal_Unicode)('A' + nCol / 702 - 1 ));
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aBuffer.append( (sal_Unicode)('A' + (nCol % 702) / 26 ));
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aBuffer.append( (sal_Unicode)('A' + nCol % 26) );
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}
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// write row number as number
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if( ! rCell.bRelativeRow )
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aBuffer.append( (sal_Unicode)'$' );
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aBuffer.append( rCell.nRow + (sal_Int32)1 );
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return aBuffer;
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}
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void lcl_getSingleCellAddressFromXMLString(
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const ::rtl::OUString& rXMLString,
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sal_Int32 nStartPos, sal_Int32 nEndPos,
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::chart::XMLRangeHelper::Cell & rOutCell )
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{
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// expect "\$?[a-zA-Z]+\$?[1-9][0-9]*"
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static const sal_Unicode aDollar( '$' );
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static const sal_Unicode aLetterA( 'A' );
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::rtl::OUString aCellStr = rXMLString.copy( nStartPos, nEndPos - nStartPos + 1 ).toAsciiUpperCase();
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const sal_Unicode* pStrArray = aCellStr.getStr();
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sal_Int32 nLength = aCellStr.getLength();
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sal_Int32 i = nLength - 1, nColumn = 0;
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// parse number for row
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while( CharClass::isAsciiDigit( pStrArray[ i ] ) && i >= 0 )
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i--;
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rOutCell.nRow = (aCellStr.copy( i + 1 )).toInt32() - 1;
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// a dollar in XML means absolute (whereas in UI it means relative)
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if( pStrArray[ i ] == aDollar )
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{
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i--;
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rOutCell.bRelativeRow = false;
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}
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else
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rOutCell.bRelativeRow = true;
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// parse rest for column
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sal_Int32 nPower = 1;
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while( CharClass::isAsciiAlpha( pStrArray[ i ] ))
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{
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nColumn += (pStrArray[ i ] - aLetterA + 1) * nPower;
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i--;
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nPower *= 26;
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}
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rOutCell.nColumn = nColumn - 1;
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rOutCell.bRelativeColumn = true;
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if( i >= 0 &&
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pStrArray[ i ] == aDollar )
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rOutCell.bRelativeColumn = false;
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rOutCell.bIsEmpty = false;
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}
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bool lcl_getCellAddressFromXMLString(
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const ::rtl::OUString& rXMLString,
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sal_Int32 nStartPos, sal_Int32 nEndPos,
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::chart::XMLRangeHelper::Cell & rOutCell,
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::rtl::OUString& rOutTableName )
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{
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static const sal_Unicode aDot( '.' );
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static const sal_Unicode aQuote( '\'' );
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static const sal_Unicode aBackslash( '\\' );
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sal_Int32 nNextDelimiterPos = nStartPos;
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sal_Int32 nDelimiterPos = nStartPos;
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bool bInQuotation = false;
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// parse table name
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while( nDelimiterPos < nEndPos &&
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( bInQuotation || rXMLString[ nDelimiterPos ] != aDot ))
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{
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// skip escaped characters (with backslash)
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if( rXMLString[ nDelimiterPos ] == aBackslash )
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++nDelimiterPos;
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// toggle quotation mode when finding single quotes
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else if( rXMLString[ nDelimiterPos ] == aQuote )
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bInQuotation = ! bInQuotation;
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++nDelimiterPos;
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}
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if( nDelimiterPos == -1 )
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return false;
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if( nDelimiterPos > nStartPos && nDelimiterPos < nEndPos )
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{
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// there is a table name before the address
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::rtl::OUStringBuffer aTableNameBuffer;
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const sal_Unicode * pTableName = rXMLString.getStr();
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// remove escapes from table name
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::std::for_each( pTableName + nStartPos,
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pTableName + nDelimiterPos,
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lcl_UnEscape( aTableNameBuffer ));
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// unquote quoted table name
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const sal_Unicode * pBuf = aTableNameBuffer.getStr();
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if( pBuf[ 0 ] == aQuote &&
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pBuf[ aTableNameBuffer.getLength() - 1 ] == aQuote )
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{
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::rtl::OUString aName = aTableNameBuffer.makeStringAndClear();
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rOutTableName = aName.copy( 1, aName.getLength() - 2 );
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}
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else
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rOutTableName = aTableNameBuffer.makeStringAndClear();
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}
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else
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nDelimiterPos = nStartPos;
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for( sal_Int32 i = 0;
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nNextDelimiterPos < nEndPos;
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nDelimiterPos = nNextDelimiterPos, i++ )
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{
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nNextDelimiterPos = rXMLString.indexOf( aDot, nDelimiterPos + 1 );
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if( nNextDelimiterPos == -1 ||
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nNextDelimiterPos > nEndPos )
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nNextDelimiterPos = nEndPos + 1;
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if( i==0 )
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// only take first cell
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lcl_getSingleCellAddressFromXMLString(
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rXMLString, nDelimiterPos + 1, nNextDelimiterPos - 1, rOutCell );
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}
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return true;
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}
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bool lcl_getCellRangeAddressFromXMLString(
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const ::rtl::OUString& rXMLString,
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sal_Int32 nStartPos, sal_Int32 nEndPos,
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::chart::XMLRangeHelper::CellRange & rOutRange )
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{
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bool bResult = true;
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static const sal_Unicode aColon( ':' );
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static const sal_Unicode aQuote( '\'' );
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static const sal_Unicode aBackslash( '\\' );
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sal_Int32 nDelimiterPos = nStartPos;
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bool bInQuotation = false;
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// parse table name
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while( nDelimiterPos < nEndPos &&
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( bInQuotation || rXMLString[ nDelimiterPos ] != aColon ))
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{
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// skip escaped characters (with backslash)
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if( rXMLString[ nDelimiterPos ] == aBackslash )
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++nDelimiterPos;
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// toggle quotation mode when finding single quotes
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else if( rXMLString[ nDelimiterPos ] == aQuote )
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bInQuotation = ! bInQuotation;
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++nDelimiterPos;
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}
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if( nDelimiterPos == nEndPos )
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{
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// only one cell
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bResult = lcl_getCellAddressFromXMLString( rXMLString, nStartPos, nEndPos,
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rOutRange.aUpperLeft,
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rOutRange.aTableName );
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if( !rOutRange.aTableName.getLength() )
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bResult = false;
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}
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else
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{
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// range (separated by a colon)
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bResult = lcl_getCellAddressFromXMLString( rXMLString, nStartPos, nDelimiterPos - 1,
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rOutRange.aUpperLeft,
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rOutRange.aTableName );
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if( !rOutRange.aTableName.getLength() )
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bResult = false;
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::rtl::OUString sTableSecondName;
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if( bResult )
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{
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bResult = lcl_getCellAddressFromXMLString( rXMLString, nDelimiterPos + 1, nEndPos,
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rOutRange.aLowerRight,
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sTableSecondName );
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}
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if( bResult &&
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sTableSecondName.getLength() &&
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! sTableSecondName.equals( rOutRange.aTableName ))
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bResult = false;
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}
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return bResult;
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}
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} // anonymous namespace
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// ================================================================================
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namespace chart
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{
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namespace XMLRangeHelper
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{
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CellRange getCellRangeFromXMLString( const OUString & rXMLString )
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{
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static const sal_Unicode aSpace( ' ' );
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static const sal_Unicode aQuote( '\'' );
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// static const sal_Unicode aDoubleQuote( '\"' );
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static const sal_Unicode aDollar( '$' );
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static const sal_Unicode aBackslash( '\\' );
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sal_Int32 nStartPos = 0;
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sal_Int32 nEndPos = nStartPos;
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const sal_Int32 nLength = rXMLString.getLength();
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// reset
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CellRange aResult;
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// iterate over different ranges
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for( sal_Int32 i = 0;
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nEndPos < nLength;
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nStartPos = ++nEndPos, i++ )
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{
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// find start point of next range
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// ignore leading '$'
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if( rXMLString[ nEndPos ] == aDollar)
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nEndPos++;
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bool bInQuotation = false;
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// parse range
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while( nEndPos < nLength &&
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( bInQuotation || rXMLString[ nEndPos ] != aSpace ))
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{
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// skip escaped characters (with backslash)
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if( rXMLString[ nEndPos ] == aBackslash )
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++nEndPos;
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// toggle quotation mode when finding single quotes
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else if( rXMLString[ nEndPos ] == aQuote )
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bInQuotation = ! bInQuotation;
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++nEndPos;
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}
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if( ! lcl_getCellRangeAddressFromXMLString(
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rXMLString,
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nStartPos, nEndPos - 1,
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aResult ))
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{
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// if an error occured, bail out
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return CellRange();
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}
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}
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return aResult;
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}
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OUString getXMLStringFromCellRange( const CellRange & rRange )
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{
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static const sal_Unicode aSpace( ' ' );
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static const sal_Unicode aQuote( '\'' );
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::rtl::OUStringBuffer aBuffer;
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if( (rRange.aTableName).getLength())
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{
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bool bNeedsEscaping = ( rRange.aTableName.indexOf( aQuote ) > -1 );
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bool bNeedsQuoting = bNeedsEscaping || ( rRange.aTableName.indexOf( aSpace ) > -1 );
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// quote table name if it contains spaces or quotes
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if( bNeedsQuoting )
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{
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// leading quote
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aBuffer.append( aQuote );
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// escape existing quotes
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if( bNeedsEscaping )
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{
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const sal_Unicode * pTableNameBeg = rRange.aTableName.getStr();
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// append the quoted string at the buffer
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::std::for_each( pTableNameBeg,
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pTableNameBeg + rRange.aTableName.getLength(),
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lcl_Escape( aBuffer ) );
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}
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else
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aBuffer.append( rRange.aTableName );
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// final quote
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aBuffer.append( aQuote );
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}
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else
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aBuffer.append( rRange.aTableName );
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}
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aBuffer.append( lcl_getXMLStringForCell( rRange.aUpperLeft ));
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if( ! rRange.aLowerRight.empty())
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{
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// we have a range (not a single cell)
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aBuffer.append( sal_Unicode( ':' ));
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aBuffer.append( lcl_getXMLStringForCell( rRange.aLowerRight ));
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}
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return aBuffer.makeStringAndClear();
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}
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} // namespace XMLRangeHelper
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} // namespace chart
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